Ip Address Issues - Yealink SIP-T2 SERIES Administrator's Manual

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones

IP Address Issues

Why doesn't the IP phone get an IP address?
Do one of the following:
If your phone connects to the wired network:
Ensure that the Ethernet cable is plugged into the Internet port on the IP phone and the

Ethernet cable is not loose.
Ensure that the Ethernet cable is not damaged.

Ensure that the IP address and related network parameters are set correctly.

Ensure that your network switch or hub is operational.

Ensure that the Wi-Fi feature is disabled.

If your phone connects to the wireless network:
If the network is secure, ensure the entered password is right.

Ensure your gateway/router enables the wireless network feature.

How to solve the IP conflict problem?
Do one of the following:
Reset another available IP address for the IP phone.

Check network configuration via phone user interface at the path Menu->Advanced

(default password: admin) ->Network->WAN Port->IPv4 (or IPv6). If the Static IP is
selected, select DHCP instead.
Is there a specific format in configuring IPv6 on Yealink IP phones?
Scenario 1:
If the IP phone obtains the IPv6 address, the format of the URL to access the web user interface
[IPv6 address]" or
is "
"fe80::204:13ff:fe30:10e", you can enter the URL (e.g., "[fe80::204:13ff:fe30:10e]" or
"http(s)://[fe80::204:13ff:fe30:10e])" in the address bar of a web browser on your PC to access
the web user interface.
Scenario 2:
Yealink IP phones support using FTP, TFTP, HTTP and HTTPS protocols to download
configuration files or resource files. You can use one of these protocols for provisioning.
When provisioning your IP phone obtaining an IPv6 address, the provisioning server should
support IPv6 and the format of the access URL of the provisioning server can be "
address or domain name]
the access URL of the provisioning server can be "tftp://[2001:250:1801::1]/". For more
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http(s)://[IPv6 address]
" ". For example, if the IPv6 address of your phone is
". For example, if the provisioning server address is "2001:250:1801::1",
tftp://[IPv6